Gemfile.lock in hash-that-tree-0.1.2 vs Gemfile.lock in hash-that-tree-0.1.4

@@ -1,14 +1,18 @@
 PATH
   remote: .
   specs:
-    hash-that-tree (0.0.9)
+    hash-that-tree (0.1.4)
+      mustache
       thor
+      yard
 
 GEM
   remote: https://rubygems.org/
   specs:
+    mustache (0.99.4)
     thor (0.16.0)
+    yard (0.8.3)
 
 PLATFORMS
   ruby
   x86-mingw32